linux-kernel - Re: [Patch 1/1] init: Provide a kernel start parameter to increase pid

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Message-ID: <20100421102350.4c222e6b@lxorguk.ukuu.org.uk>
Date:	Wed, 21 Apr 2010 10:23:50 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Mike Travis <travis@....com>
Cc:	Ingo Molnar <mingo@...e.hu>, Greg Kroah-Hartman <gregkh@...e.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Hedi Berriche <hedi@....com>, Jack Steiner <steiner@....com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Robin Holt <holt@....com>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [Patch 1/1] init: Provide a kernel start parameter to increase
 pid_max v2

> of 32k will not be enough.  A system with 1664 CPU's, there are 25163 processes
> started before the login prompt.  It's estimated that with 2048 CPU's we will pass

Is that perhaps the bug not the 32K limit ? and does Tejun's work on work
queue sanity help avoid the need for this ?
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